Portable gas burner



FIG. 1 is a front elevation view of a portable gas burner showing a first embodiment of our design having three support feet;

FIG. 2 is a top, front and left side perspective front view of a second embodiment of our design having two supprt feet; and,

FIG. 3 is a top, front and left side perspective view of the embodiment of FIG. 2 shown in a collapsed condition.

The broken line represents a gas cylinder for illustrative purposes and forms no part of the claimed design.

Portions of the top and missing views of the sides of the article not shown in the drawings or described in the specification form no part of the claimed design. 

The ornamental design for a portable gas burner, as shown and described. 